CVE-2026-16807: Chromium: CVE-2026-16807 Out of bounds write in Codecs

unknownCVE-2026-16807

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

CSIRTS triage

vendor: Google product: ChromiumOther

What: This vulnerability is an out of bounds write in Codecs.
Who is affected: Microsoft Edge (Chromium-based) deployments are affected.
Urgency: Remediation is not urgent as there is no known exploitation.
Action: Refer to Google Chrome Releases for updates.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-16807

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-168070.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-16807	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownDSA-6408-1 chromium - security updatedebian
high[NEW] [high] Google Chrome: Multiple vulnerabilities allow unspecified attackcert-bund
unknownMicrosoft Edge Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Microsoft Edge (July 27, 2026)cert-fr-avis
unknownGoogle Chrome Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Google Chrome (July 24, 2026)cert-fr-avis
highCVE-2026-16807: Out of bounds write in Codecs in Google Chrome prior to 150.0.7871.186 allowed a remote attack…nvd